mousehover

问题 what I want to do is to change the color of a QTableWidget item, when I hover with the mouse over the item of my QTableWidget. 回答1: Firstly, the table widget needs to have mouse-tracking switched on to get the hover events. Secondly, we need to find some signals that tell us when the mouse enters and leaves the table cells, so that the background colours can be changed at the right times. The QTableWidget class has the cellEntered / itemEntered signals, but there is nothing for when the mouse

问题 I have this script here which works fine, but I need to make it work on mouse click instead of mouse hover. I have tried, but failed. It looks simple, but I can't figure it out. Can anyone help? code is: $(".cat").hover(function(){ $(this).parent().parent().find(".sub_menu").hide(); }, function() { $(this).parent().parent().find(".sub_menu").show(); });` code below works in ie, not in firefox. $(".cat").on('click', function(){ $(this).parent().parent().find(".sub_menu").toggle(); }); 回答1: Try

问题 This question already has answers here : Winforms: how to open combobox properly? (5 answers) Closed 5 years ago . I have a windows form. In that windows form i have a combo box. I have predefined items in the combo box as Add, Remove and Delete. I want to make the combo box auto expand on mouse hover. How can I do that? I noticed that auto expand code should be given in the mouse hover event of combo box. like this private void comboBox1_MouseHover(object sender, EventArgs e) { } but I don't

问题 Is it possible to show content when hovering over the DIV. See Image When I hover over the div, the transition takes place, but is it possible to show content inside the hovering div, ie. Images etc html : <div class="flowingdown"> </div> CSS3 : .flowingdown { width:1045px; background-image:url(images/vertical_cloth.png); height:50px; float:left; margin-top:2px; margin-bottom:2px; border-radius:0 0 55px 55px ; transition: height 1s; -webkit-transition: height 1s; } .flowingdown:hover { height

问题 I have the following piece of HTML/CSS code which is used to display pages based on the number of rows retrieved from a database. .paginate { font-family:Arial,Helvetica,sans-serif; padding:3px; margin:3px; } .disableCurrentPage { font-weight:bold; background-color:#999;color:#FFF; border:1px solid #999; text-decoration:none;color:#FFF; font-weight:bold; } .paging { cursor: pointer; background-color: transparent;border:1px solid #999; text-decoration:none; color:#9CC; font-weight:bold; } <div

问题 What is the proper way of triggering a function if the mouse cursor hovers over a QButton? To be more precise I have a label called statusLabel which should show message whenever I hover my mouse cursor over a button and should revert back to empty string whenever the mouse is not over it. 回答1: You have to create your own class, derived of QPushButton (or whichever class you want to capture hover events in). In this class, you can override QWidget::enterEvent() to detect when the mouse hovers

问题 In UWP I have a listview. XAML: <Grid Background="Gray"> <ListView Name="lvMain" VerticalAlignment="Top" HorizontalAlignment="Stretch" Height="120" ItemsSource="{x:Bind ItemsList, Mode=OneWay}"> <ListView.ItemsPanel> <ItemsPanelTemplate> <ItemsStackPanel Orientation="Horizontal"/> </ItemsPanelTemplate> </ListView.ItemsPanel> <ListView.ItemTemplate> <DataTemplate x:DataType="x:Int32"> <Grid Width="100" Height="100" Padding="10"> <Grid Background="Green"/> </Grid> </DataTemplate> </ListView

问题 In UWP I have a listview. XAML: <Grid Background="Gray"> <ListView Name="lvMain" VerticalAlignment="Top" HorizontalAlignment="Stretch" Height="120" ItemsSource="{x:Bind ItemsList, Mode=OneWay}"> <ListView.ItemsPanel> <ItemsPanelTemplate> <ItemsStackPanel Orientation="Horizontal"/> </ItemsPanelTemplate> </ListView.ItemsPanel> <ListView.ItemTemplate> <DataTemplate x:DataType="x:Int32"> <Grid Width="100" Height="100" Padding="10"> <Grid Background="Green"/> </Grid> </DataTemplate> </ListView

问题 Recently, I wanted that QPushButton can emit a signal, when the mouse pointer enters. How can I make it? I know that QPushButton has some already defined signal, such as clicked() , pressed() , destory() and so on. But no signal like hover(), enter(), ... I looked some information about it: Someone said it can be done by css. I don't understand. Can you give me some advice ? Thank you! 回答1: You can use QWidget::enterEvent ( QEvent * event ) for this. You override this event and send a custom

问题 I have Form subclass with handlers for MouseHover and MouseLeave . When the pointer is on the background of the window, the events work fine, but when the pointer moves onto a control inside the window, it causes a MouseLeave event. Is there anyway to have an event covering the whole window. (.NET 2.0, Visual Studio 2005, Windows XP.) 回答1: When the mouse leave event is fired one option is to check for the current position of the pointer and see if it within the form area. I am not sure